android.support.wearable.view
Interface GridViewPager.OnPageChangeListener

Enclosing class:

GridViewPager

public static interface GridViewPager.OnPageChangeListener

Callback interface for responding to changing state of the selected page.

Method Summary

void	onPageScrolled(int row, int column, float rowOffset, float columnOffset, int rowOffsetPixels, int columnOffsetPixels) This method will be invoked when the current page is scrolled, either as part of a programmatically initiated smooth scroll or a user initiated touch scroll.
void	onPageScrollStateChanged(int state) Called when the scroll state changes.
void	onPageSelected(int row, int column) This method will be invoked when a new page becomes selected.

Method Detail

onPageScrolled

void onPageScrolled(int row,
                    int column,
                    float rowOffset,
                    float columnOffset,
                    int rowOffsetPixels,
                    int columnOffsetPixels)

This method will be invoked when the current page is scrolled, either as part of a programmatically initiated smooth scroll or a user initiated touch scroll.

Parameters:

row - Vertical position index of the new selected page row position+1 will be visible if positionOffset is nonzero

column - Horizontal position index of the new selected page

rowOffset - Value from [0, 1) indicating the offset from the row

rowOffset - Value from [0, 1) indicating the offset from the column

rowOffsetPixels - Value in pixels indicating the offset from row

columnOffsetPixels - Value in pixels indicating the offset from column

onPageSelected

void onPageSelected(int row,
                    int column)

This method will be invoked when a new page becomes selected. Animation is not necessarily complete.

Parameters:

row - Vertical position index of the new selected page

column - Horizontal position index of the new selected page

onPageScrollStateChanged

void onPageScrollStateChanged(int state)

Called when the scroll state changes. Useful for discovering when the user begins dragging, when the pager is automatically settling to the current page, or when it is fully stopped/idle.

Parameters:

state - The new scroll state.

See Also:

GridViewPager.SCROLL_STATE_IDLE, GridViewPager.SCROLL_STATE_DRAGGING, GridViewPager.SCROLL_STATE_SETTLING